#398CBB#398CBB

#398CBB is a mid, moderate cyan. Relative luminance 0.232; OKLCH L 61.0% C 0.107 H 237.1°. Best body text is #000000 at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#398CBB
RGB	rgb(57, 140, 187)
HSL	hsl(202, 53%, 48%)
HSV	hsv(202, 70%, 73%)
CMYK	cmyk(69.5%, 25.1%, 0%, 26.7%)
CIE-LAB	lab(55.29, -9.73, -31.83)
CIE-LCH	lch(55.29, 33.28, 253.00°)
OKLab	oklab(61.01% -0.0579 -0.0896)
OKLCH	oklch(61.01% 0.107 237.1)
XYZ	xyz(20.0316, 23.2117, 50.4287)
Luminance	0.2321 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#398CBB #BB6839

analogous

#39BBA9 #398CBB #394BBB

triadic

#398CBB #BB398C #8CBB39

tetradic

#398CBB #A939BB #BB6839 #4BBB39

square

#398CBB #A939BB #BB6839 #4BBB39

split-complementary

#398CBB #BB394B #BBA939

monochromatic

#1C465D #2B698C #398CBB #62A8CF #91C2DD

Accessibility & contrast

On white

3.72

#398CBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.64

#398CBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398CBB

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##398CBB	#FFFFFF	#000000	##000000
##398CBB	1.00	3.72	5.64	5.64
#FFFFFF	3.72	1.00	21.00	21.00
#000000	5.64	21.00	1.00	1.00
##000000	5.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#768BBD

Deuteranopia (green-blind)

#647FBA

Tritanopia (blue-blind)

#00989C

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #398cbb;
/* rgb */ color: rgb(57, 140, 187);
/* oklch */ color: oklch(61.0% 0.107 237.1);

Tailwind

colors: {
  custom: {
    50: '#7fadcf',
    500: '#398cbb',
    950: '#000000',
  },
}

SCSS

$custom: #398cbb;
$custom-light: #7fadcf;
$custom-dark: #000000;

JSON

{
  "hex": "#398cbb",
  "rgb": {
    "r": 57,
    "g": 140,
    "b": 187
  },
  "hsl": {
    "h": 201.692,
    "s": 53.279,
    "l": 47.843
  },
  "oklch": {
    "l": 0.6101,
    "c": 0.10665,
    "h": 237.1
  },
  "luminance": 0.23214
}

Semantic roles & 50–950 ramp

primary

#398CBB

secondary

#C89F87

accent

#804BDD

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #398CBB

Body copy rendered with the generated semantic roles for this colour.

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